<template>
  <div class="todo-container">
    <div class="todo-wrap">
      <Header :AdddItem="AdddItem" />
      <List
        :todoList="todoList"
        :checkedChange="checkedChange"
        :deleteItem="deleteItem"
      />
      <Footer
        :todoList="todoList"
        :Allchnecked="Allchnecked"
        :clearOver="clearOver"
      />
    </div>
  </div>
</template>

<script>
import Header from "./components/Header";
import Footer from "./components/Footer";
import List from "./components/List";
export default {
  name: "App",
  data() {
    return {
      todoList: [
        // { id: uuidv4(), thing: "唱", done: false },
        // { id: uuidv4(), thing: "跳", done: false },
        // { id: uuidv4(), thing: "rap", done: false },
      ],
    };
  },
  components: {
    Header,
    Footer,
    List,
  },
  methods: {
    //增加函数
    AdddItem(value) {
      this.todoList.unshift(value);
    },
    //多选框逻辑
    checkedChange(e, id) {
      console.log(e.target.checked);
      this.todoList.map((item) => {
        return item.id === id ? (item.done = e.target.checked) : item;
      });
    },
    //删除逻辑
    deleteItem(id) {
      this.todoList = this.todoList.filter((item) => item.id !== id);
    },
    //统一多选框
    Allchnecked(boolean) {
      // console.log(boolean);
      this.todoList = this.todoList.map((item) => ({ ...item, done: boolean }));
    },
    //清除已完成事件
    clearOver() {
      this.todoList = this.todoList.filter((item) => !item.done);
    },
  },
  mounted(){
    this.todoList = JSON.parse(localStorage.getItem("todoList")||"[]")
  },
  //事件监听当有数据增加时 把数据放咋loca里面
  watch: {
    todoList: {
      handler() {
        localStorage.setItem("todoList", JSON.stringify(this.todoList));
      },
    },
  },
};
</script>

<style>
/*base*/
body {
  background: #fff;
}

.btn {
  display: inline-block;
  padding: 4px 12px;
  margin-bottom: 0;
  font-size: 14px;
  line-height: 20px;
  text-align: center;
  vertical-align: middle;
  cursor: pointer;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2),
    0 1px 2px rgba(0, 0, 0, 0.05);
  border-radius: 4px;
}

.btn-danger {
  color: #fff;
  background-color: #da4f49;
  border: 1px solid #bd362f;
}

.btn-danger:hover {
  color: #fff;
  background-color: #bd362f;
}

.btn:focus {
  outline: none;
}

.todo-container {
  width: 600px;
  margin: 0 auto;
}
.todo-container .todo-wrap {
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 5px;
}
</style>